Clean up include headers of analytical engine

[acezen]

What do these changes do?

• Clean up headers of GAE with iwyu
• Remove leaf header from core/config.h, put to where leaf been used
• analytical engine building time from 82.89s to 72.26s, size from 1889376 bytes to 1815784 bytes (on my own mac with make and remove gs_proto building time)

Related issue number

Fixes #1541

[sighingnow]

Why bl:: -> boost::leaf?

[codecov-commenter]

Codecov Report

Merging #1546 (f4e8d1b) into main (0aa8c3c) will decrease coverage by 1.65%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1546      +/-   ##
==========================================
- Coverage   73.17%   71.51%   -1.66%     
==========================================
  Files          88       88              
  Lines        9714     9714              
==========================================
- Hits         7108     6947     -161     
- Misses       2606     2767     +161     

Impacted Files	Coverage Δ
python/graphscope/tests/unittest/test_java_app.py	49.33% <0.00%> (-50.67%)	⬇️
python/graphscope/analytical/app/java_app.py	24.24% <0.00%> (-44.95%)	⬇️
python/graphscope/client/rpc.py	88.88% <0.00%> (-3.71%)	⬇️
python/graphscope/framework/utils.py	63.28% <0.00%> (-2.61%)	⬇️
python/graphscope/framework/graph_utils.py	80.15% <0.00%> (-2.39%)	⬇️
python/graphscope/framework/app.py	90.14% <0.00%> (-1.88%)	⬇️
python/graphscope/client/session.py	73.39% <0.00%> (-1.61%)	⬇️
python/graphscope/framework/graph_schema.py	62.92% <0.00%> (-0.27%)	⬇️

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[acezen]

Why bl:: -> boost::leaf?

The original bl namespace is define in core/config.h, include the boost/leaf.hpp, and it would make some code include core/config.h but not use boost/leaf also include the leaf headers. That breaks the include what you use rule.
So I remove the leaf headers from config.h, put to where leaf been used and recover bl to boost::leaf.

[yecol]

Why bl:: -> boost::leaf?

The original bl namespace is define in core/config.h, include the boost/leaf.hpp, and it would make some code include core/config.h but not use boost/leaf also include the leaf headers. That breaks the include what you use rule. So I remove the leaf headers from config.h, put to where leaf been used and recover bl to boost::leaf.

One of the solutions to this is defining the bl alias at the beginning of each used file.
Too long nested namespace has harmful impact on the code readability.

[yecol]

Could you also report the effectiveness of this PR to speed up the building stage?
e.g., from XXs -> YYs.

[siyuan0322]

Why glog is so special, I noticed that it is in the top of the headers in many files, while gflags (I think they are similar libraries) remains in the way down.